Function: minus(gradient[2](numbers("yxx") if numbers('xry') > numbers("per") else numbers('rrr')) if numbers("per") if numbers('xry') > numbers('rrr') else numbers("yxx") if numbers("per") > gradient[2](numbers("yxx") if numbers('rrr') > numbers('xry') else numbers("per")) else numbers('rrr') > numbers('xry') if numbers("per") > numbers('rrr') else numbers("yxx") else numbers("per") if numbers("yxx") if numbers("per") > numbers('rrr') else numbers('xry') > gradient[2](numbers("per") if numbers('rrr') > numbers('xry') else numbers("yxx")) else numbers('rrr') if numbers("per") if numbers('xry') > numbers('rrr') else numbers("yxx") > gradient[2](numbers('xry') if numbers("per") > numbers('rrr') else numbers("yxx")) else numbers("per"), numbers("per") if gradient[2](numbers('rrr') if numbers('xry') > numbers("per") else numbers("yxx")) if numbers("per") > numbers("per") if numbers('rrr') > numbers('xry') else numbers("yxx") else numbers('rrr') > numbers('xry') if numbers('rrr') > numbers("per") else numbers("yxx") else gradient[2](numbers("yxx") if numbers('rrr') > numbers("per") else numbers('xry')))